上个月月底，三星曾将一款1.2V 2GB容量的DDR4unbuffered双列直插内存条样品送给了某家内存控制器厂商进行样品测试。
Late last month, Samsung provided 1.2-V 2-Gbyte DDR4 unbuffered dual in-line memory modules (UDIMM) to a controller maker for testing.
本文叙述了机床主轴部件常用的双列圆柱滚子轴承预紧量测量仪的原理、结构和使用方法。
In this article, the principle, construction and use of the measuring instrument for preloads in double row cylindrical roller bearings used in machine tool spindles are narrated.
DAC系列轮毂轴承是由一个整体外圈和两个可分离内圈组成的双列角接触球轴承，有带密封圈和不带密封圈两种结构。
DAC series wheel bearing is a double row angular contact ball bearing incorporating an integral outer ring and two separable inner rings which is available with seals or without seals.
对一种双列调节级的热力计算方法作了介绍。
The authors have come up with a thermodynamic calculation method for a turbine dual row governing stage.
计算结果表明， 供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.
采用不完全双列杂交的方法，研究了不同雄性不育细胞质对高粱主要农艺性状的影响。
The influence of different male sterile cytoplasms upon sorghum main agronomic traits was studied by using incomplete diallel cross.
介绍了353130X2—2RZ型双列圆锥滚子轴承的设计目的、运用条件及主要技术参数。
The design target, operation conditions and main technical parameters of the 353130X2-2RZ double row cone roller bearings are described.
四点接触球轴承为可分离型轴承，可承受双向轴向载荷，并有单列和双列角接触球轴承的功能。
Four pionts Angle contact ball bearing is separable bearing, it can be subject to bi-directional load and have the function of both single row and double rows bearings.
采用8个典型玉米自交系及其组配的28个双列杂交组合（不含反交）为试材，对玉米自交系品质性状的遗传特性与产量的相关性进行了研究。
The genetic characteristics of quality trait and correlation with yield for maize inbred have been studied by using dual crosses of 8 inbreds and their corresponding 28 crosses.
双列圆锥滚子轴承在承受径向负荷的同时也可承受双向轴向负荷。
Double row tapered roller bearings can accommodate simultaneously radial load and also axial load in double directions.
采用数值分析与模型实验相结合的方法，对水轮机导水部件双列环列叶栅流场进行了分析研究。
The flow field of double-row annular cascades of hydraulic turbines is studied by means of digital analysis in combination with model tests.
由8个亲本组成的双列杂交试验，分析了穗长、穗粗、穗行数、百粒重、单株籽粒产量的基因效应。
The gene effects of ear length, ear thickness, kernel rows per ear, hundred-grain-weight(H. G. W. ) and grain weight per plant were analyzed in a set of diallel crosses which involved 8 parents.
此外，通过试验证明：在离心压气机上采用双列叶栅扩压器，可以改善压气机性能，扩大压气机的稳定工作范围。
Furthermore, experiments show that the adoption of double-row cascade diffusers in centrifugal compressors will improve its performance and widen its stable operating range.
楔横轧机滚动轴承为双列圆锥滚子轴承，直接承受轧机运行中产生的轧制力，是轧机关键零部件之一。
Roller bearings of cross wedge mill are double-rows taper roller bearings and one of the important parts on mill. It directly bears rolling force when mill works.
简要分析了白瓷双列直插外壳的失效模式和失效机理，并进行了模拟实验。
The failure mode and failure mechanism for white ceramic DIP's are analyzed, and experimental simulation is performed.
对两套杉木亲本在种源和个体两水平的双列杂交试验进行了遗传分析。
There were two sets of two level diallel cross experiments at the level of provenance and individual in Chinese fir which were analyzed in this paper.
本文以二化性品种为材料，采用不完全双列杂交法分析家蚕部分数量性状的遗传效应。
Incomplete diallel crosses were made ir an experiment with bivoltine RACES of silkworm (Bombyxmori) to study the genetic effects of six quantitative characters.
以4个黄瓜自交系为试材，采用完全双列杂交设计，对黄瓜果实数量性状的遗传规律进行了研究。
Sixteen cucumber crosses were made to study the genetic effect of the fruit quantitative characters with using 4 inbred lines.
对来自CIMMYT的14份玉米群体，按不完全双列杂交组配56个杂交组合。
For 14 CIMMYT maize population, 56 hybridized combinations were made by using incomplete dual cross.
对国内12份有代表性的玉米群体材料，按不完全双列杂交组配48个杂交组合。
For 12 domestic maize population, 48 hybridized combinations were made by using incomplete dual cross.
本发明涉及一种用于磨削机床的磨削工具，具体地说是一种双列圆锥滚子轴承外套超精头。
The invention relates to a grinding tool for a grinding machine tool, in particular to a superfine head of a double-row tapered roller bearing outer shell.
依据地层组成结合岩石化学研究，在“构造混杂岩”基础上建立了“双列岛弧”的“沟弧盆体系”模式。
According to stratigraphic compositionand lithochemistry, a"trench-arc-basin system" model for the dual-arrangedisland arc is established on the basis of the "tectonic melange".
本文使用一维双列氢原子团簇模型对强激光场中的团簇动力学过程进行了数值模拟。
A simplified version together with a double-array 1D atomic hydrogen cluster model is presented for simulating cluster dynamics when exposed to intense light.
汽车空调器是汽车上的重要辅助设备之一，汽车空调电磁离合器用双列角接触球轴承结构与性能的好坏，直接影响汽车空调压缩机的性能。
The structure and functions of double row angular contact ball bearings for electromagnetic clutch in air-conditioner will directly influence the performance of the compressor.
航空航天。飞机结构用直径系列2的自位双列球轴承。米制系列。
Aerospace - airframe ball bearings, double - row, self - aligning, diameter series 2 - metric series.
应用双列杂交设计，研究了遗传来源不同的12个甘蓝型油菜品种间66个双列组合的单株籽粒产量及产量性状的杂种优势。
Heterosis of seed yield and its components of 66 crosses, from a diallel cross design of 12 parental varieties of Brassica napus L. were studied.
双列塑封的信号处理集成电路BY 139平均失效率达到10.8%，方形陶瓷封装的逻辑控制电路PC 11平均失效率达到2.5%。
The average failure rate of signal processing molectron BY139 was 10.8%. And the average failure rate of logical controlling molectron PC11 was 2.5%.
本文提出了分析双列杂交试验资料的两个遗传模型。
Two genetic models are proposed for analyzing experimental data from diallel crosses.
选用5个早熟不早衰的短季棉品种和5个早衰的短季棉品种进行部分双列杂交。
Five short season cultivars (SSC) with no premature senescence were selected to cross with 5 SSC cultivars with premature senescence.
选用5个早熟不早衰的短季棉品种和5个早衰的短季棉品种进行部分双列杂交。
Five short season cultivars (SSC) with no premature senescence were selected to cross with 5 SSC cultivars with premature senescence.
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